Cucumber Salad - cooking recipe

Ingredients

1 carton sour cream
1/3 c. vinegar
1/2 tsp. dry mustard
2 Tbsp. sugar
1 tsp. salt
1/4 tsp. pepper
1 onion, thinly sliced
3 cucumbers, peeled and thinly sliced

Preparation

Combine all ingredients and chill.